Lt. Col. JP Cross is a retired British officer who served with Gurkha units for nearly forty years. He has been an Indian frontier soldier, jungle fighter, policeman, military attaché, Gurkha recruitment officer and a linguist researcher, and he is the author of twenty books. He has fought in Burma, Indo-China, Malaya and Borneo and served in India, Pakistan, Hong Kong, Laos and Nepal where he now lives. Well into his nineties, he still walks four hours daily.
Operation Four Rings is the fifth in a series of historical military novels set in Southeast Asia comprising, in chronological order, Operation Black Rose, Operation Janus, Operation Blind Spot, Operation Stealth and Operation Four Rings. The first three books may be read in any order; the final two are sequential. The series features Gurkha military units, and the author draws on real events he witnessed and real people he fought alongside in various theatres of war in Southeast Asia and India.